22544090 has 8 divisors (see below), whose sum is σ = 40579380. Its totient is φ = 9017632.

The previous prime is 22544069. The next prime is 22544167. The reversal of 22544090 is 9044522.

It can be written as a sum of positive squares in 2 ways, for example, as 22024249 + 519841 = 4693^2 + 721^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1127195 + ... + 1127214.

Almost surely, 2^22544090 is an apocalyptic number.

22544090 is a deficient number, since it is larger than the sum of its proper divisors (18035290).

22544090 is a wasteful number, since it uses less digits than its factorization.

22544090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2254416.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 22544090 is about 4748.0617097927. The cubic root of 22544090 is about 282.4950895849.

The spelling of 22544090 in words is "twenty-two million, five hundred forty-four thousand, ninety".